package com.xcw.bb.action;

import java.io.IOException;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import com.xcw.bb.entity.User;
import com.xcw.bb.service.InteractService;
import com.xcw.bb.serviceImpl.InteractServiceImpl;

/**
 * Servlet implementation class QueryAllTeacherAction
 */
@WebServlet("/QueryAllTeacherAction")
public class QueryAllTeacherAction extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public QueryAllTeacherAction() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		doPost(request,response);
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		InteractService interactService=new InteractServiceImpl();
		System.out.println("======QueryAllTeacher======");
		try {
			List<User> list=interactService.queryAllTeacher();
			HttpSession session = request.getSession(true);
			session.setAttribute("teacherList", list);
			
			request.getRequestDispatcher("/student/queryTeacher.jsp").forward(request, response);
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}

}
